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C program to swap two strings

C program to swap two strings, i.e., contents of the two strings are interchanged.

C programming code

#include <stdio.h>
#include <string.h>
 
int main()
{
  char first[100], second[100], temp[100];
 
  printf("Enter first string\n");
  gets(first);
 
  printf("Enter second string\n");
  gets(second);
 
  printf("\nBefore Swapping\n");
  printf("First string: %s\n", first);
  printf("Second string: %s\n\n", second);
 
  strcpy(temp, first);
  strcpy(first, second);
  strcpy(second, temp);
 
  printf("After Swapping\n");
  printf("First string: %s\n", first);
  printf("Second string: %s\n", second);
 
  return 0;
}

Download Swap strings program.

Output of program:
Swap strings C program output